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Hadrons: templatisation of the fermion implementation

This commit is contained in:
2016-12-05 16:47:29 +09:00
parent 7ae734103e
commit d1f7c6b94e
18 changed files with 483 additions and 638 deletions

View File

@ -1,7 +1,7 @@
/*******************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: programs/Hadrons/RBPrecCG.hpp
Source file: programs/Hadrons/TRBPrecCG.hpp
Copyright (C) 2016
@ -47,13 +47,16 @@ public:
double , residual);
};
class RBPrecCG: public Module<RBPrecCGPar>
template <typename FImpl>
class TRBPrecCG: public Module<RBPrecCGPar>
{
public:
TYPE_ALIASES(FImpl,);
public:
// constructor
RBPrecCG(const std::string name);
TRBPrecCG(const std::string name);
// destructor
virtual ~RBPrecCG(void) = default;
virtual ~TRBPrecCG(void) = default;
// dependencies/products
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
@ -63,6 +66,63 @@ public:
virtual void execute(void);
};
/******************************************************************************
* TRBPrecCG template implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TRBPrecCG<FImpl>::TRBPrecCG(const std::string name)
: Module(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TRBPrecCG<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().action};
return in;
}
template <typename FImpl>
std::vector<std::string> TRBPrecCG<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TRBPrecCG<FImpl>::setup(void)
{
auto Ls = env().getObjectLs(par().action);
env().registerObject(getName(), 0, Ls);
env().addOwnership(getName(), par().action);
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TRBPrecCG<FImpl>::execute(void)
{
auto &mat = *(env().template getObject<FMat>(par().action));
auto solver = [&mat, this](FermionField &sol, const FermionField &source)
{
ConjugateGradient<FermionField> cg(par().residual, 10000);
SchurRedBlackDiagMooeeSolve<FermionField> schurSolver(cg);
schurSolver(mat, source, sol);
};
LOG(Message) << "setting up Schur red-black preconditioned CG for"
<< " action '" << par().action << "' with residual "
<< par().residual << std::endl;
env().setObject(getName(), new SolverFn(solver));
}
typedef TRBPrecCG<FIMPL> RBPrecCG;
END_MODULE_NAMESPACE
MODULE_REGISTER_NS(RBPrecCG, MSolver);